300W 20A MPPT Solar Charge Controller MPPT Solar Charge Controller Waterproof for Solar Electric 300W MPPT Solar Charge Controller MPPT Solar Charge Controller Waterproof for Solar Electric Feature: 1. Special Technology: The MPPT controller uses solar maximum power point tracking (MPPT) technology, reliable and stable performance. 2. High Efficiency: 300W 20A MPPT solar charge controller adopts high efficiency synchronous rectifier circuit structure. 3. Multi Protection: Short circuit protection, over temperature protection, solar input under voltage protection, battery under voltage protection, load port short circuit protection. 4. Scope of Application: Solar street light controllers, solar chargers, solar electric, solar electric tricycles, solar cars, household solar panels, solar monitoring and other usage scenarios. 5. Good Performance: Product size is 74x74x32mm / 2.9x2.9x1.3in. 20A load discharge current, 300w output power, normally open is 24 hours load output. Specification: Item Type: MPPT Solar Controller Material: Plastic Gross Weight: 306g / 10.8oz Product size: 74x74x32mm / 2.9x2.9x1.3in Load Discharge Current: 20A Output Power: 300W NormallyOpen:24HoursLoadOutput Efficiency: 95% Noise: